noun
air circulator; circulator fan
A device that circulates air within a room, often used with air conditioners or heaters to even out temperature.
エアコンとサーキュレーターを併用すると、部屋全体が効率よく冷えます。
Using an air conditioner together with a circulator cools the whole room efficiently.
扇風機 is a general electric fan for cooling people, while サーキュレーター is designed to circulate air throughout a room, often used in combination with heating or cooling appliances.
From English 'circulator'.